DESIGN CODE

RECTANGULAR CONCRETE BEAM DESIGN BASED ON ACI318-08(ULTIMATE LIMIT STATE OF DESIGN)

INPUT DATAMATERIALS PROPERTIES

fc' = N/mm² CONCRETE STRENGTH

fy = N/mm² REBAR YIELD STRESS

fys = N/mm² LINKS YIELD STRESS

Es = N/mm²

Ec = N/mm² Ec = 4700*SQRT(f'c)

DIMENSIONS

B = mm BEAM WIDTH

H = mm BEAM HEIGHT

d = mm DEPTH TO TENSION REINFORCEMENT

Ct = mm COVER TO TENSION REINFORCEMENT

Cc = mm COVER TO COMPRESSION REINFORCEMENT

Cs = mm COVER TO SIDE BARS

STEEL REINFORCEMENT

TENSION REINFORCEMENT COMPRESSION REINFORCEMENT

INTERNAL LINKS

STRAINING ACTIONSMu = kN.m ULTIMATE BENDING MOMENTVu = kN ULTIMATE SHEAR FORCE

##

OUTPUT RESULTS

FLEXURAL CAPACITY CHECK 2

a = mm (ACI318-08, 10.2)

β1 = (ACI318-08, 10.2.7.3)

cmax = mm (ACI318-08, 10.2.2)

amax = mm (ACI318-08, 10.2.7.1)

εc = (ACI318-08, 10.3.3)

ε's =

εt = (ACI318-08, 10.3.3)

f's = N/mm² >= fy/Es, f 's yields

ρ =

ρg =

ρmin = (ACI318-08, 10.5)

�

layer space

T 20mm mm

82.69

0.821

262.50

215.63

T 20 5 T 20mmmmmm

5 T 20 5 5T 20 T 20mm

T 20 5

2mm mm legs

layer 2 layer 3 layer 4

mm mm mm mm

layer space

5T 20

layer 1

mm mmmm mm5 T 20

A.A

PROJECT: Project

layer 2 layer 3 layer 4

A.A

PART OF STRUCTURE: REINF. CONCRETE BEAM

JOB REF: -

DRAWING REFERENCE: ACI318-0812345

REVISION: -

CHECK. BY:

CALC. BY:B 01

2.00E+05

32

layer 1

mm mm

460

420

300

800

30

400

30

0.00266

5 T 20

300

T 12 - 340

460

0.005

0.003

0.02992

26587.21

0.00307

0.05236

30

700

STRAIN

-0.003

0.005

STRESS

27.2

SECTION DIAGRAM

ACI318-08_beams www.strukts.com Rev: 1.30

DESIGN CODE

A.A

PROJECT: Project

A.A

PART OF STRUCTURE: REINF. CONCRETE BEAM

JOB REF: -

DRAWING REFERENCE: ACI318-0812345

REVISION: -

CHECK. BY:

CALC. BY:B 01

As min = mm²

ρmax =

As max = mm² (ACI318-08, 10.3.5)

As2 = mm²

As1 = mm²

φ = (ACI318-08, 9.3.2)

φMn = kN.m > Mu 0

SHEAR CAPACITY CHECK

φ = (ACI318-08, 11.2.12)

(fc')½ = WHERE (fc

')½ < 8 N/mm2 (ACI318-08, 11.1.2)

vc = kN (ACI318-08, 11.3.1.1)

φvs = kN

φvs max = kN > vs (ACI318-08, 11.5.7.9)

Av/s = mm²

s = mm

PROVIDE 2 LEGS T12 - 340

����

795.9194

198.0503

645.6192

����

����

8898.379

1742.83

6283.185

����

����

0.90

0.75

5.66

201.9497

0.04237

0.00

335.7795

0.67364

ACI318-08_beams www.strukts.com Rev: 1.30